Ultra-small two-channel 3W high-power USB-powered mini digital amplifier board
Product information
|
[3 x 2] 6W of power at 5V input
The power supply is recommended to take the USB-5V or a single lithium-powered.
Power: 3.6 to 5.5V, single-cell lithium battery or USB power supply suitable and can also be used four 1.2V battery-powered, when use transformer power supply, be sure to add a 5V regulator circuit, more than 5.5V chip will burn.
Power supply: direct current (DC ):3.6v5.5V
Output power:3W+3W (4 Euro )
Signal to noise ratio:90dB
Efficiency: >90%
Size:24*15.5*mm size:20mm positioning holes spaced aperture:2mm
Note:
1: the power positive and negative electrodes cannot be reversed, the supply voltage does not exceed5.5V, these two contrary will cause IC damage.
2: the film has high gain buffer, can not change the board of any element parameter, does not correspond to the parameters will lead to IC damage.
3: Please input line with shielding line, can play a role of anti interference, eliminate the clutter current sound.
4: the output for the CMOS BTL driver around the horn pipe, negative cannot be connected together, which is connected with a horn4 lines are completely independent, does not allow access!
Package includes:
1x amplifier board
|
|
Payment |
|
Payment |
Payable To |
Note |
|
PayPal |
Paypal |
All payments are due within 7 days of the close of auction. Failing to do so, non-paying bidders will be reported to eBay. | |
|
Shipping Policy |
|
Delivery Time |
We ship to worldwide, it usually takes 10-30 Business Days to delivery. |
|
Shipping address |
We ship to your PayPal address. Please, make sure to provide us with correct, precise, and detailed shipping Address. |
|
Send Time |
Items will be shipped within 1 to 3 business days upon payment received or cleared. |
|
Note |
If you don't receive items over 30 business days, please notify us via eBay message. | |
|
Return Policy |
|
We appreciate your business and offer an instant 7 days return policy.(7 days after receive the item). The returned item has to be in its original condition. We are able to refund your money without shipping cost. |
|
Contact us |
For anything about product, price, shipping or order status, please contact us via eBay message.
We love positive feedback and 5 scores DSR. We will leave it for everyone that leaves it for us.
|